Example of getSharedData and setSharedData methods on a tag

output.log.txt

Hello World
Hello World

SharedDataOnTagUsage.java

import com.webfirmframework.wffweb.tag.html.Body;
import com.webfirmframework.wffweb.tag.html.Html;
import com.webfirmframework.wffweb.tag.html.TitleTag;
import com.webfirmframework.wffweb.tag.html.attribute.global.Id;
import com.webfirmframework.wffweb.tag.html.metainfo.Head;
import com.webfirmframework.wffweb.tag.html.stylesandsemantics.Div;
import com.webfirmframework.wffweb.tag.htmlwff.NoTag;
import com.webfirmframework.wffweb.tag.repository.TagRepository;

public class SharedDataOnTagUsage {
    
    
    public static void main(String[] args) {
      
        //use latest version to use this coding style
        Html rootTag = new Html(null).give(html -> {
            new Head(html).give(head -> {
                new TitleTag(head).give(title -> {
                    new NoTag(title, "some title");
                });
            });
            new Body(html, new Id("one")).give(body -> {
                new Div(body);
            });
        });


        Body body = TagRepository.findOneTagAssignableToTag(Body.class, rootTag);

        //setting a shared data on body object
        Object sharedData = "Hello World";
        body.setSharedData(sharedData);

        //this shared data is accessible from html tag because they are common for the whole tag hierarchy.
        Object sharedDataFromHtml = rootTag.getSharedData();

        //both print "Hello World"
        System.out.println(sharedData);
        System.out.println(sharedDataFromHtml);
    }

}

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